Home / 29,266.38-40,387.61-15,837.63

Finding the Fourth Proportional to 29,266.38, 40,387.61 and 15,837.63

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Solution

The fourth proportional to 29,266.38, 40,387.61 and 15,837.63 is: 21,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.38 : 40,387.61 = 15,837.63 : x
  2. Step 2: Convert to fraction form
    29,266.38/40,387.61 = 15,837.63/x
  3. Step 3: Cross multiply
    29,266.38x = 40,387.61 × 15,837.63
  4. Step 4: Simplify right side
    29,266.38x = 639,644,096.03
  5. Step 5: Solve for x
    x = 639,644,096.03/29,266.38
  6. Step 6: Final answer
    x = 21,855.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.